# execute with python 3.7.6 < x < 3.8.1 on windows import sys import sysconfig from distutils import sysconfig as d_sysconfig def check_suffix(suf): print('checking:', suf) pos = suf.rfind('.') if pos > 0: print(f"check_suffix output: {suf[:pos]}") else: print(f'Unable to determine PYTHON_EXTENSION_SUFFIX from EXT_SUFFIX: "{suf}"', file=sys.stderr) sys_suffix = sysconfig.get_config_var('EXT_SUFFIX') check_suffix(sys_suffix) dsys_suffix = d_sysconfig.get_config_var('EXT_SUFFIX') check_suffix(dsys_suffix)